GM also announced Thursday that Hydro-Québec has committed to buying and testing 20 Volts as part of a program by the Quebec government-owned electrical utility to explore the impact on its grid and its customers as it begins "fuelling" cars.

Tenants suffered again in May 2011 as the average rent in England and Wales hit a new record high of £695, a 0.5% rise on April, fuelling increasing incidents of "rental gazumping", according to the latest LSL Property Services buy-to-let index.

Although a takeover or new investment has not materialised, fuelling speculation over Moyes's future, the Everton manager has repeatedly said that he is content at Goodison Park and will not leave due to the continued financial restraints.